Whitman Capital LLC’s president was charged with taking part in two separate insider-trading conspiracies, using illegal tips on Google Inc., Polycom Inc. and Marvell Technology Group Ltd. to make more than $900,000 for the hedge fund.

Mark Cuban, the billionaire owner of the Dallas Mavericks basketball team, appeared at the U.S. Securities and Exchange Commission today to face questions related to the agency’s insider-trading lawsuit against him.

Mark Cuban , the billionaire owner of the Dallas Mavericks who’s accused by the U.S. Securities and Exchange Commission of insider trading, offered to pay lawyers to help the agency speed its review of documents in his case.

Billionaire Mark Cuban sent his broker an e-mail asking about the propriety of a share sale that the U.S. Securities and Exchange Commission has since accused him of making based on inside information.